Do Not Contact is not working!

Can you please provide some resource about how to implement/use do not contact? There are list of contacts who flagged as Do Not Contact but Mautic still sending emails to those contacts. Should i do this from campaigns? please suggest.

Your software
My PHP version is: 7.2.33
My Mautic version is: 2.16.3
My Database type and version: MySQL, 10.3.18-MariaDB.

My problem is: There are list of contacts who flagged as Do Not Contact but Mautic still sending emails to those contacts.

Nobody can help until you let us know the basic info you omitted.

Attach the screenshot you posted in the slack channel, plus more info on what you’ve done, and how you want it to work, that way, we would hopefully be able to suggest the best solution for your use case.